CN103075566B - Valve gear - Google Patents
Valve gear Download PDFInfo
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- CN103075566B CN103075566B CN201210338915.4A CN201210338915A CN103075566B CN 103075566 B CN103075566 B CN 103075566B CN 201210338915 A CN201210338915 A CN 201210338915A CN 103075566 B CN103075566 B CN 103075566B
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- Prior art keywords
- valve
- spring
- valve element
- gear
- throttle orifice
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
Abstract
The present invention provides a kind of valve gear, with valve body, valve element and antirattle spring, antirattle spring has a multiple spring arms abutted with the wall of valve chamber elasticity, and the plurality of spring arm is formed as along the wall of valve chamber and the direction extension that intersects to the opening and closing direction with valve element.In addition, also providing a kind of valve gear, there is valve body, valve element and valve-supporting body, valve-supporting body is provided with the hole enabled flow through or breach.In accordance with the invention it is possible to shorten size of the antirattle spring for preventing valve chamber from vibrating on opening and closing direction, the miniaturization of valve gear can be realized.In addition, the valve gear of the present invention has the valve-supporting body supported to the valve element for being opened and closed throttle orifice, by reducing for flowing into obstruction of the valve chamber towards the flowing of the fluid of throttle orifice, can be flowed by hole or breach to throttle orifice.Therefore, it is possible to reduce the pressure loss of refrigerant, and noise caused by fluid flow through valve supporting mass can also be reduced.
Description
Technical field
The present invention relates to it is a kind of can convection current cross the valve gear that the flow of throttle orifice is controlled.
Background technology
In the past, expansion valve was used for the kind of refrigeration cycle of the air-conditioning device of automobile etc..Expansion valve has a structure in which：With that will send
Enter the high pressure liquid refrigerant of evaporator by the midway of high-pressure refrigerant stream give thinner ground undergauge the section that is formed
Discharge orifice is accordingly from upstream side to being configured with the construction of valve element, and the expansion valve and the gas for the low pressure sent out from evaporator to ground
The temperature and pressure of state refrigerant accordingly makes valve element that action be opened and closed, so as to control the refrigerant flow by throttle orifice.
Figure 13 is the profilograph for representing the conventional example of expansion valve one.Expansion valve 5 loads in kind of refrigeration cycle 1, and the system
SAPMAC method 1 includes：Compressor 2 driven by the engine；The condenser (condenser) being connected with the discharge side of the compressor 2
3；The holder 4 being connected with condenser 3；And the evaporator (evaporator) 6 being connected with holder 4, the expansion valve 5 are used for
Make the heat-insulated expansion of liquid refrigerant from holder 4.
In the expansion valve 5 shown in Figure 13, valve body 30 has：Throttle orifice 32a, throttle orifice 32a, which is basically formed, to be sent
Enter between the high-pressure side stream 32b that high-pressure refrigerant passed through of evaporator 6 and low-pressure side stream 32c；Spherical valve element 8, should
Valve element 8 is configured to relative with throttle orifice 32a from the upstream side of refrigerant；As the compression helical spring 8c of force application component, the pressure
Contracting helical spring 8c is used to exert a force to valve element 8 from the lateral throttle orifice 32a in upstream；Valve-supporting body 8a, valve-supporting body 8a are used
In supporting valve element 8 and compression helical spring 8c force is passed into valve element 8；Dynamical element portion 36, the dynamical element portion 36 with
The temperature for the low pressure refrigerant sent out from evaporator 6 is accordingly acted；And temperature-sensitive drive division 318, the temperature-sensitive drive division
Between the dynamical element portion 36 and valve element 8, the sensing rod for temperature and action rod of the temperature-sensitive drive division 318 are integrally formed for 318 configurations
And throttle orifice 32a is penetrated, the valve body 30 makes valve element 8 relative to throttle orifice 32a by the action according to dynamical element portion 36
Contact, separation, so as to which controlling stream crosses throttle orifice 32a refrigerant flow.
Dynamical element portion 36 includes：Thin metallic plate with pliability is the diaphragm 36a of stainless steel；Stainless steel
Upper lid 36d and lower cover 36h, lid 36d and lower cover 36h is arranged to clip diaphragm 36a and be brought into tight contact with each other on this, and by diaphragm
36a respectively constitutes the upper pressure operating chamber 36b as two balancing gate pits separated up and down along it and bottom as a wall
Pressure-operated room 36c；And key 36i, key 36i are sealed and the regulation refrigerant as diaphragm driving medium are enclosed top
Pressure-operated room 36b hole.Low pressure operating chamber 36c is by balancing orifice 36e and the low pressure refrigerant with carrying out flash-pot 6
The alternate path 34 flowed connects.The mounting seat 362 formed with tubular, the mounting seat in dynamical element portion 36 on lower cover 36h
362 revolve and and are fixed on valve body 30 with screwed hole 361.
Temperature-sensitive drive division 318 is configured to the bar portion 316 of the thin footpath of for example stainless steel.The branch being separately constructed with bar portion 316
Portions 36k includes：Stopper portions 312, the stopper portions 312 with the end that diaphragm 36a lower surfaces abut to radially expanded；It is and sliding
Dynamic portion 314, the central portion of the sliding part 314 are inserted into formed with jut 315 and sliding freely low pressure operating chamber 36c
It is interior.In addition, the upper end of bar portion 316 is entrenched in the inside of the jut 315 of large-diameter portion 314, lower end and the valve element 8 of bar portion 316 support
Connect.
Due to form the bar portion 316 of sensing rod for temperature be formed at the low-pressure side stream 32c of valve body 30 and alternate path 34 it
Between through hole in penetrate, therefore, will in order to prevent situation that refrigerant is flowed by the gap between the through hole
The O-ring 40 and block component 41 being in close contact with the periphery of bar portion 316 are configured in the hole 38 in the big footpath of through hole.In addition, valve
Room 35 is created as the with the end room coaxial with throttle orifice 32a, using being disposed in adjustment screw element 8b that sum is revolved with valve body 30
O-ring 8d between valve body 30 and keep airtightly being closed.Valve chamber 35 connects with high-pressure side stream 32b, and leads to
Cross throttle orifice 32a and connected with low-pressure side stream 32c.
In addition, being configured with the compression helical spring 8c as force application component in valve chamber 35, compression helical spring 8c leads to
Cross the valve-supporting body 8a of the function with supporting valve element 8 and valve element 8 is pushed to valve closing direction, compression helical spring 8c's
Upper end is locked on the locking part 8a1 of valve-supporting body 8a blade of a sword shape, and the lower end of compression helical spring 8 is by adjustment screw element 8b branch
Hold.
In kind of refrigeration cycle 1, because pressure oscillation caused by upstream side is transmitted using the liquid refrigerant of high pressure as medium
To expansion valve 5, and cause the action of valve element 8 unstable, it is impossible to correctly to carry out the flow control of refrigerant or because of valve element 8
Vibrate and produce the unfavorable condition of noise etc.For corresponding this unfavorable condition, provided with valve-supporting body 8a and with
The antirattle spring 8f that the side elastic of valve chamber 35 abuts, to obtain the stabilisation of the action of valve element 8 and vibrationproof.In antirattle spring 8f
Central main parts of the hole 8f3 inserted with valve-supporting body 8a in the state of, antirattle spring 8f plectane portion 8f1 is clamped in
Between the upper end for engaging part 8a1 and compression helical spring 8c, antirattle spring 8f is thus installed on valve-supporting body 8a, the locking
Part 8a1 is used to engage compression helical spring 8c and be formed with valve-supporting body 8a to be integrated.Antirattle spring 8f periphery formed with
With multiple (such as eight) spring arm 8f2 of plectane portion 8f1 one, spring arm 8f2 tip portion and the side of valve chamber 35
Surface elastic abuts.
But antirattle spring 8f as described above has knots of eight spring arm 8f2 to Longitudinal extending in valve chamber 35
Structure.On the other hand, valve chamber 35 is increasingly miniaturized with the 30 overall downsizing of valve body of expansion valve 5, with this small-sized
In the expansion valve of the valve chamber 35 of change, it is difficult to ensure the space being arranged on the antirattle spring 8f of longitudinal ruler modest ability in valve chamber 35.
In the above-mentioned expansion valve of structure like that, flowings to throttle orifice 32a of the valve-supporting body 8a for refrigerant turns into
Resistance, the pressure loss may be caused and produce noise when refrigerant is by around valve-supporting body 8a.
Patent document 1：Japanese Unexamined Patent Publication 2005-156046 publications
The content of the invention
It is an object of the invention to provide a kind of valve gear.The valve gear of the present invention has to being opened and closed the valve element of throttle orifice
The antirattle spring prevented is vibrated, direction size is opened and closed by the valve for reducing antirattle spring, so as to which valve gear be minimized.Separately
On the one hand, valve gear of the invention has the valve-supporting body supported to the valve element for being opened and closed throttle orifice, by reducing for stream
Enter valve chamber, flow to the resistance of throttle orifice fluid, so as to reduce the pressure loss of fluid, and reduce week of the fluid by valve-supporting body
Caused noise during side.
To achieve these goals, the valve gear of the first technical scheme of the invention, it has：Valve body, valve body tool
There are throttle orifice and the valve chamber being connected with the throttle orifice；Valve element, valve element configuration contacted in the valve chamber and with the throttle orifice,
Separate and adjust the amount for the fluid for flowing through the throttle orifice；And antirattle spring, the antirattle spring prevent the disc vibration, institute
Stating antirattle spring has the multiple spring arms abutted with the wall of the valve chamber, and the plurality of spring arm is formed as along the valve
The wall of room and the direction that intersects to the opening and closing direction with the valve element extends, the antirattle spring configuration relative to it is described
The connected port of valve chamber and be inclined to the position of the throttle orifice side.
Invention effect：
Because the spring arm of the antirattle spring used in the present invention is formed as the wall along valve chamber and to the opening and closing with valve element
The direction extension that direction intersects, therefore, it is possible to shorten the size in the opening and closing direction of valve chamber, valve body can be minimized and shorten valve
The size of device.
Further, since the valve gear of the present invention is provided with the hole allowed fluid flow or breach on valve-supporting body, therefore, flow into
A part for the fluid of valve chamber will not be blocked flowing by valve-supporting body, can be flowed by hole or breach to throttle orifice.Accordingly, it is capable to
The pressure loss of fluid is enough reduced, and noise caused by fluid flow through valve supporting mass can also be reduced.
Brief description of the drawings
Fig. 1 is to represent that the valve element unit used in the valve gear of first embodiment of the invention (by valve element, valve-supporting body and is prevented
The spring that shakes form unit) an example stereogram.
Fig. 2 is the stereogram for another example for representing the valve element unit used in the valve gear of first embodiment of the invention.
Fig. 3 is the stereogram for the another example for representing the valve element unit used in the valve gear of first embodiment of the invention.
Fig. 4 is the stereogram for the another example for representing the valve element unit used in the valve gear of first embodiment of the invention.
Fig. 5 is the figure that the part of the valve gear with the valve element unit shown in Fig. 1 is given to cutting expression.
Fig. 6 is the figure that Fig. 5 part is given to enlarged representation.
Fig. 7 is to represent valve element unit used in the valve gear of second embodiment of the invention (by valve element, antirattle spring and valve
Supporting mass form unit) an example stereogram.
Fig. 8 is the stereogram for another example for representing the valve element unit used in the valve gear of second embodiment of the invention.
Fig. 9 is the stereogram for the another example for representing the valve element unit used in the valve gear of second embodiment of the invention.
Figure 10 is the stereogram for the another example for representing the valve element unit used in the valve gear of second embodiment of the invention.
Figure 11 is the stereogram that the part of the valve gear with the valve element unit shown in Fig. 7 is given to cutting expression.
Figure 12 is the stereogram that Figure 11 part is given to enlarged representation.
Figure 13 is the profilograph for the example for representing conventional expansion valve.
Symbol description：
1 kind of refrigeration cycle
2 compressors
3 condensers
4 holders
8c compression helical springs
30 valve bodies
32a throttle orifices
32b high-pressure sides stream
32b1 ports
35 valve chambers
51st, 61,71,81 valve-supporting body
53rd, 63,72,82 valve press section
52nd, 62 antirattle spring
54th, 64 spring arm
58th, 68,78,88 valve element
65 cylindrical portions
551st, 581,591,601 valve-supporting body
551a, 581a, 591a, 601a valve-supporting portion
551b, 581b, 591b, 601b antirattle spring
552nd, 602 spring arm
558th, 598,608 valve element
603 cylindrical portions
572 holes
583 breach
Embodiment
Below, with reference to the accompanying drawings, the embodiment of the valve gear of first embodiment of the invention is illustrated.Fig. 1 is to represent this hair
One example of the valve element unit being made up of valve element, valve-supporting body and antirattle spring used in the valve gear of bright first embodiment
Stereogram.In the present embodiment, for part corresponding with example shown in Figure 13, identical symbol is put on, omits repeat specification.
Valve element unit 50 shown in Fig. 1 includes valve element 58, supports the valve-supporting body 51 and antirattle spring of the valve element 58
52.Valve-supporting body 51 has the discoid valve press section 53 that valve element 58 is supported on to upper face center part.Antirattle spring 52
With the multiple spring arms 54 for preventing that valve element 58 from vibrating, spring arm 54 passes through at multiple positions of the outer peripheral edge of valve press section 53
The dogleg section that is formed respectively and formed and be integrated with valve press section 53.Valve-supporting body 51 and antirattle spring 52 are by metallic plate
Carry out punch process and formed and be integrated.
The upper face center of valve press section 53 is formed in part with recess, by will stablize the valve element fallen to be sitting in the recess
58 are fixed on the recess in a manner of welding etc. and support valve element 58.Each spring arm 54 of antirattle spring 52 is formed as from valve
The position of the opening direction of the outer peripheral edge deviation valve element 58 of press section 53 is bent into hook-shaped state.In each spring arm 54,
Side wall 35a of the underarm part 55 along valve chamber 35 (reference picture 5,6) and extended laterally to what the opening and closing direction with valve element 58 intersected,
And more more left laterally for the imaginary barrel surface of shape of cross section from valve press section 53 to top, top it is smooth
Jut 56 abuts with the side wall 35a elasticity of valve chamber 35.In the example in the figures, underarm part 55 is prolonged to transverse direction as the crow flies
Stretch.
Because each spring arm 52 is to crossing out, therefore, compared to conventional antirattle spring spring arm to longitudinal direction
For extension, size up and down can be reduced.Further, since each spring arm 54 is formed as with supporting the valve press section 53 of valve element 58
One, therefore compared with the combination of conventional valve-supporting body and antirattle spring, parts count and assembly work can not only be reduced, and
And manufacturing cost can also be reduced.
Fig. 5 is that the part for the valve gear for being loaded into the valve element unit 50 shown in Fig. 1 gives the stereogram of cutting expression, figure
6 be the stereogram that the diagram shown in Fig. 5 is locally given to enlarged representation.Valve element unit 50 is housed in valve chamber 35, due to rotation
Enter the compression helical spring being clamped between adjustment screw element 8b and the valve element unit 50 of the lower end of valve body 30 as force application component
8c, therefore, exerting a force to the direction of closing throttle orifice 32a of the valve element 58 by compression helical spring 8c.Compression helical spring 8c
Upper end abutted from downside with the valve press section 53 of valve-supporting body 51, and by multiple spring arms around compression helical spring 8c
54 surround.
Because spring arm 54 is to extending laterally, therefore, valve-supporting body 51 can be configured compared to high-pressure side stream 32b's
Top more top the port 32b1 that is connected with valve chamber 35.Therefore, spring arm 54 flows into valve for refrigerant from port 32b1
The flowing of room 35 does not turn into resistance, therefore can further reduce the pressure loss of the high-pressure refrigerant of flowing in valve chamber 35, and also
Noise can be reduced.
Fig. 2 is the stereogram for another example for representing the valve element unit used in the valve gear of first embodiment of the invention.
Valve element unit 60 shown in Fig. 2 is the variation of the valve element unit 50 shown in Fig. 1, including spherical valve element 68, supports the valve element
68 valve-supporting body 61 and antirattle spring 62.Valve-supporting body 61 has：Valve element 68 is supported on to the circle of upper face center part
The valve press section 63 of plate-like；And the multiple spring arms 64 for preventing valve element 68 from vibrating, antirattle spring 62 have from valve press section
The cylindric cylindrical portion 65 that 63 outer peripheral edge extends to the opening direction of valve element 68.Valve press section 63 and cylindrical portion 65 pass through gold
Belong to the punch forming of plate and formed and be integrated.Spring arm 64 is started and shape to radial direction punching at multiple positions of cylindrical portion 65
Into.In detail, spring arm 64 is located at the position for the axis direction that cylindrical portion 65 is inclined to from valve press section 63.Spring arm
64 tip portion is supported formed with jut 66, the side wall 35a elasticity of the jut 66 and valve chamber 35 (reference picture 5)
Connect.
Fig. 3 is the stereogram for the another example for representing the valve element unit used in the valve gear of first embodiment of the invention.
The valve element 78 of valve element unit 70 shown in Fig. 3 is formed with valve-supporting body 71 and is integrated.In addition, other examples with shown in Fig. 1
Son is identical, therefore puts on identical symbol for same area, omits detailed description again.In the present example, valve element 78 is in valve
The middle body of the valve press section 72 of supporting mass 71 forms with valve press section 72 and is integrated and is formed as the arcuation bloated upward.
The shape of valve element 78 is not limited to arcuation, as long as hemispherical bellying, the frustum of a cone or square frustum etc. are suitable to stamping forming shape
Shape, it is formed as appropriate shape.
It is integrated by the way that valve element 78 is formed with valve press section 72, then can omit in the past like that will be with valve with modes such as welding
The spherical valve element that supporting mass is fabricated separately is fixed on the process on valve-supporting body.
Fig. 4 is the stereogram for the another example for representing the valve element unit used in the valve gear of first embodiment of the invention.
Valve element unit 80 shown in Fig. 4, its valve element 88 are not the spherical valve elements being fabricated separately with valve-supporting body 81, and with shown in Fig. 3
Example situation it is identical, with valve-supporting body 81 formed be integrated.Specifically, the valve press section of valve element 88 and valve-supporting body 81
82 formation are integrated and are formed as the arcuation bloated upward.Further, since antirattle spring 62 is identical with the example shown in Fig. 2
Structure, therefore put on identical symbol for corresponding position, omit explanation again.By by valve element 88 and valve-supporting body
81 formation are integrated, then can omit and in the past like that be consolidated the spherical valve element being fabricated separately with valve-supporting body with modes such as welding
The process being scheduled on valve-supporting body.
Below, the embodiment of the valve gear of second embodiment of the invention is illustrated with reference to the accompanying drawings.Fig. 7 is to represent to send out this
Valve element used in the valve gear of bright second embodiment, support the valve-supporting body of the valve element and prevent the antirattle spring of disc vibration
Give the stereogram of an example of the valve element unit that integration forms.In the present embodiment, due to the knot in addition to valve element unit
Structure be with the expansion valve identical shown in Figure 13, therefore omit explanation again.In addition, in the figure 7, to put it more simply, only to one
Divide object marking symbol.
Valve element unit 550 shown in Fig. 7 has valve element 558 and supports the valve-supporting body 551 of the valve element 558.Valve-supporting
Body 551, valve element 558 is supported on the discoid valve-supporting portion 551a of upper face center part and prevents valve element 558 from vibrating by it
Antirattle spring 551b formed be integrated.Antirattle spring 551b includes multiple spring arms 552, and multiple spring arms 552 are in valve
Support 551a outer peripheral edge 551c multiple positions are (in the present example, around valve-supporting portion 551a center according to equal angles
Four positions) linked into an integrated entity by the dogleg section 553 formed respectively.Valve-supporting portion 551a and antirattle spring 551b can
By carrying out punch process to metallic plate to be formed.
Valve-supporting portion 551a upper face center is formed in part with recess 559, by that stable will be fallen to sit in a manner of welding etc.
Valve element 558 in the recess 559 is fixed on the recess 559, so as to support valve element 558.Antirattle spring 551b each spring arm
Portion 552 is at a right angle relative to valve-supporting portion 551a face bending and is formed as the generally L-shaped to hang down downwards.In each spring arm
In portion 552, the upper arm part 554 that is connected with dogleg section 553 is a part for smooth part or cylinder, bent a little
Part.In addition, because by elbow section 557 and the underarm part 555 that is connected with upper arm part 554 to extending laterally, more
More left laterally from the imaginary barrel surface using valve-supporting portion 551a as shape of cross section to top, the smooth projection on top
Part 556 abuts with the inwall elasticity of valve chamber 35 (reference picture 11).In the example in the figures, underarm part 555 is as the crow flies to horizontal stroke
To extension.
Due to each spring arm 552 in above-mentioned imaginary cylinder towards laterally flared, therefore relative to conventional vibrationproof
The spring leaf of spring is to for Longitudinal extending, can reducing size up and down.Further, since each spring arm 552 and supporting valve element
558 valve-supporting portion 551a is formed and is integrated, and therefore, compared with the combination of conventional valve-supporting body and antirattle spring, not only may be used
Parts count and assembly work are reduced, and and manufacturing cost can be reduced.
On valve-supporting portion 551a, around the middle body of supporting valve element 558, in the circumferential across appropriate intervals shape
Into have multiple refrigerants by using hole 572 (only to a part of label symbol).From the flowing of the refrigerant around valve element 558
From the viewpoint of uniformity, the interval in preferably hole 572 is formed as at equal intervals.Due to relative to conventional refrigerant only from valve chamber 35 through valve
For situation about being flowed around supporting mass 551 to throttle orifice 32a, hole 572 allow to penetrate valve-supporting body 551 and to throttle orifice
32a's is more smoothly flowed, therefore the flow resistance of refrigerant (pressure loss) is reduced, and refrigerant flows through valve-supporting body 551
Surrounding when easy caused lower noise.Further, since refrigerant is rectified and bubble contained in refrigerant is thin by hole 572
Smallization, therefore, as noise caused by bubbles burst also reduces.
Figure 11 is that the part for the valve gear for being loaded into the valve element unit 550 shown in Fig. 7 gives the stereogram of cutting expression,
Figure 12 is the stereogram that the part shown in Figure 11 is given to enlarged representation.Valve element unit 550 is housed in valve chamber 35, due to
The compression spiral bullet as force application component is clamped between adjustment screw element 8b and the valve element unit 550 of screw-in valve body 30 lower end
Spring 8c, therefore, exerting a force to the direction of closing throttle orifice 32a of the valve element 558 by compression helical spring 8c.Compression helical spring
8c upper end abuts from downside with the valve-supporting portion 551a of valve-supporting body 551, and by multiple around compression helical spring 8c
Spring arm 552 surrounds.
The refrigerant flowed into from high-pressure side stream 32b in valve chamber 35, a part is by being formed at the more of valve-supporting portion 551a
Individual hole 572 and easily smoothly to throttle orifice 32a flow.In the antirattle spring 551b of valve element unit 550, due to spring arm
Portion 552 is extended laterally along valve-supporting body 551, and therefore, valve-supporting body 551 is configurable in valve chamber 35 compared to high pressure effluent
Top more top 32b connected port 32b1 in road, therefore, the jut 556 of spring arm 552 and valve chamber 35 compared to
Internal face 35a closer to the top port 32b1 is abutted.Because spring arm 552 is for the refrigeration from port 32b1 inflow valve chambers 35
The flowing of agent does not turn into resistance, therefore, can further reduce the pressure loss of high-pressure refrigerant, and can also further reduce and make an uproar
Sound.
Fig. 8 is the stereogram for another example for representing the valve element unit used in the valve gear of second embodiment of the invention.
Valve element unit 580 shown in Fig. 8, it is in the valve-supporting for being integrated valve-supporting portion 581a and antirattle spring 581b formation
In body 581, on the valve-supporting portion 581a across appropriate intervals formed with multiple refrigerants by using breach 583 form.Lack
Mouth 583 is equally spaced formed more preferably from valve-supporting portion 581a outer circumferential side, and the breach 583 is in adjacent dogleg section
553rd, cut and formed to the middle body of supporting valve element 558 between 553.Breach 583 with the valve element unit shown in Fig. 7
It is identical in situations of the valve-supporting portion 551a formed with multiple holes 572 in 550, flowed into from high-pressure side stream 32b in valve chamber 35
Refrigerant easily swimmingly flows when flowing through valve-supporting body 581 to throttle orifice 32a, therefore is reducing for refrigerant flowing
While resistance, make lower noise.
Fig. 9 is the stereogram for the another example for representing the valve element unit used in the valve gear of second embodiment of the invention.
Valve element unit 590 shown in Fig. 9, its valve element 598 are formed with valve-supporting body 591 and are integrated.In addition to the structure of valve element 598,
Other are identical with the example shown in Fig. 7, therefore mark identical symbol for same area, omit detailed description again.
In this example, valve element 598 is formed with valve-supporting portion 591a in the valve-supporting portion 591a of valve-supporting body 591 middle body and is integrated
And be formed as the arcuation bloated upward.The shape of valve element 598 is not limited to arcuation, as long as hemispherical bellying, the frustum of a cone,
Or square frustum etc. is suitable to stamping shape, is formed as appropriate shape.
It is identical with the example shown in Fig. 7, on the valve-supporting portion 591a of valve-supporting body 591 with circumferentially leaving appropriate intervals
Formed with multiple refrigerants by using hole 572.In addition, exemplified by antirattle spring portion 591b spring arm 552 and Fig. 7, Fig. 8
The spring arm of the generally L-shaped formed in son is identical.It is integrated by the way that valve element 598 is formed with valve-supporting body 591, so as to
Omit the process as in the past spherical valve element of split production being fixed on using modes such as welding on valve released part.In this example
In son, it can also replace hole 572 and form breach 583 as shown in Figure 8.
Figure 10 is the stereogram for the another example for representing the valve element unit used in the valve gear of second embodiment of the invention.
Valve element unit 600 shown in Figure 10 be not by the spherical valve element of the split production of valve element 608, but with the feelings of example shown in Fig. 9
Condition is identical, is formed and is integrated with valve-supporting body 601.Specifically, valve-supporting portion 601a of the valve element 608 in valve-supporting body 601
Middle body forms with valve-supporting portion 601a and is integrated and is formed as the arcuation bloated upward.Along week on valve-supporting portion 601a
To with leaving appropriate intervals formed with multiple refrigerants by using hole 572.In the present example, certainly also can replace hole 572 and
Form breach 583 as shown in Figure 8.
Antirattle spring 601b has the cylindric cylindrical portion 603 integratedly extended from valve-supporting portion 601a periphery.Tool
There are valve-supporting portion 601a and the cylindrical portion 603 with antirattle spring 601b, it can be made by the stamping of metallic plate.Bullet
Spring arm 602 (is in the present example, in equal angular in terms of valve-supporting portion 601a center at multiple positions of cylindrical portion 603
Four positions) start and formed to laterally punching.Spring arm 602 tip portion formed with jut 606, jut
606 are divided to be abutted using spring effect with the inwall of valve chamber 35.It is integrated by the way that valve element 608 is formed with valve-supporting body 601, from
And can omit the process as in the past spherical valve element of split production being fixed on using modes such as welding on valve released part.
In the above-described embodiments, although antirattle spring is integrally formed with the valve-supporting bodily form, the present invention is not limited to this
Embodiment, it is evident that can also form valve-supporting body and antirattle spring respectively.
In addition, the valve gear that the present invention is applicable is not limited to expansion valve, as long as with the stream to the fluid by throttle orifice
Measure the valve element being controlled and suppress the valve gear of the antirattle spring of the vibration of valve element, could be applicable to any valve dress
Put.
In addition, the valve gear as the present invention, is described by taking expansion valve as an example, but the invention is not restricted to this, as long as tool
There is convection current to cross the flow valve element being controlled of the fluid of throttle orifice and the valve-supporting body supported to valve element, can also answer
For any valve gear, this is obvious.
In addition, without departing from the scope of spirit of the present invention, various changes can be implemented to above-described embodiment.
Claims (9)
1. a kind of valve gear, it is characterised in that have：Valve body, the valve body have a throttle orifice and are connected with the throttle orifice
Valve chamber；Valve element, valve element configuration contact in the valve chamber and with the throttle orifice, separate and adjust and flow through the throttle orifice
The amount of fluid；And antirattle spring, the antirattle spring prevent the disc vibration,
The antirattle spring has the multiple spring arms abutted with the wall of the valve chamber, and the plurality of spring arm is formed as edge
The wall of the valve chamber and the direction that intersects to the opening and closing direction with the valve element extends,
The antirattle spring configuration is being inclined to the position of the throttle orifice side relative to the port being connected with the valve chamber.
2. valve gear as claimed in claim 1, it is characterised in that there is the valve-supporting body for supporting the valve element, the vibrationproof
Spring is integrally formed with the valve-supporting bodily form.
3. valve gear as claimed in claim 2, it is characterised in that the spring arm is formed as from the valve-supporting body
The position that the opening direction of the valve element is inclined in outer peripheral edge is bent into hook-shaped state.
4. valve gear as claimed in claim 2, it is characterised in that the antirattle spring has from the periphery of the valve-supporting body
The cylindrical portion that edge extends to the opening direction of the valve element, the spring arm is by the way that the local punching of the cylindrical portion is started
And formed.
5. the valve gear as described in claim 3 or 4, it is characterised in that there is the closing direction to the valve element to the valve
The helical spring that supporting mass is exerted a force, one end of the helical spring in the state of being surrounded by the spring arm with the valve
Supporting mass abuts.
6. valve gear as claimed in claim 2, it is characterised in that the valve element is integrally formed with the valve-supporting bodily form.
7. valve gear as claimed in claim 1, it is characterised in that the antirattle spring to metallic plate by carrying out punch process
And formed.
8. valve gear as claimed in claim 1, it is characterised in that the valve gear is the expansion valve of temperature type, by described
Throttle orifice will be depressurized by the liquid refrigerant of condenser condenses and imports in the valve chamber high pressure, and be steamed according to by evaporator
The temperature of the gaseous refrigerant of the low pressure of hair and control is opened and closed to the valve element.
9. valve gear as claimed in claim 8, it is characterised in that antirattle spring configuration is relative to by the liquid system
The port for the high-pressure side stream that cryogen is imported in the valve chamber and be inclined to the position of the throttle orifice side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130572.5A CN107035912A (en) | 2011-09-22 | 2012-09-13 | Valve gear |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-207528 | 2011-09-22 | ||
| JP2011207528A JP5933210B2 (en) | 2011-09-22 | 2011-09-22 | Valve device |
| JP2011-213756 | 2011-09-29 | ||
| JP2011213756A JP5991802B2 (en) | 2011-09-29 | 2011-09-29 | Valve device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710130572.5A Division CN107035912A (en) | 2011-09-22 | 2012-09-13 | Valve gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103075566A CN103075566A (en) | 2013-05-01 |
| CN103075566B true CN103075566B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210338915.4A Active CN103075566B (en) | 2011-09-22 | 2012-09-13 | Valve gear |
| CN201710130572.5A Pending CN107035912A (en) | 2011-09-22 | 2012-09-13 | Valve gear |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710130572.5A Pending CN107035912A (en) | 2011-09-22 | 2012-09-13 | Valve gear |
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| Country | Link |
|---|---|
| CN (2) | CN103075566B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994613A (en) * | 2014-05-26 | 2014-08-20 | 浙江春晖智能控制股份有限公司 | Thermal expansion valve |
| CN107615204B (en) * | 2015-06-09 | 2020-09-08 | 株式会社电装 | Pressure reducing valve |
| JP6697976B2 (en) * | 2016-08-09 | 2020-05-27 | 株式会社不二工機 | Expansion valve |
| JP6754121B2 (en) * | 2017-08-23 | 2020-09-09 | 株式会社不二工機 | Expansion valve |
| US11271268B2 (en) * | 2017-10-10 | 2022-03-08 | Honda Motor Co., Ltd. | Cell holder |
| CN110296246B (en) * | 2018-03-23 | 2020-08-21 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| JP6886949B2 (en) * | 2018-07-25 | 2021-06-16 | 株式会社鷺宮製作所 | Pressure regulating valve |
| EP3629686A1 (en) | 2018-09-26 | 2020-04-01 | Siemens Aktiengesellschaft | Device for pressing of components |
| CN110966413B (en) * | 2018-09-30 | 2022-04-05 | 浙江三花汽车零部件有限公司 | Expansion valve |
| CN113623901A (en) * | 2020-05-09 | 2021-11-09 | 盾安环境技术有限公司 | Throttling device and air conditioning system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4542852A (en) * | 1984-03-05 | 1985-09-24 | The Singer Company | Vibration damping device for thermostatic expansion valves |
| US5709516A (en) * | 1994-04-18 | 1998-01-20 | General Electric Company | Washer faced spring assembly |
| JPH09133435A (en) * | 1995-11-08 | 1997-05-20 | Mitsubishi Heavy Ind Ltd | Expansion valve |
| JP4142290B2 (en) * | 2001-07-12 | 2008-09-03 | 株式会社不二工機 | Expansion valve |
| JP4077308B2 (en) * | 2002-12-20 | 2008-04-16 | 株式会社不二工機 | Expansion valve |
| JP4666904B2 (en) * | 2003-11-27 | 2011-04-06 | 株式会社不二工機 | Expansion valve |
| JP2005249300A (en) * | 2004-03-04 | 2005-09-15 | Tgk Co Ltd | Expansion valve |
| CN1916453A (en) * | 2006-09-07 | 2007-02-21 | 上海交通大学 | Set in use for turning on and off opening of channel inside valve body |
| DE202007000162U1 (en) * | 2007-01-04 | 2007-03-08 | Wilhelm Bilstein KG Spezialfabrik für Maschinenmesser und Kompressorventile | Cutter spring for circular cutter has spring force produced by concentric bent spring arms formed from slots and webs radially attached to circular carrier element |
| CN102135354B (en) * | 2011-01-11 | 2012-11-28 | 浙江盾安人工环境股份有限公司 | Thermostatic expansion valve |
-
2012
- 2012-09-13 CN CN201210338915.4A patent/CN103075566B/en active Active
- 2012-09-13 CN CN201710130572.5A patent/CN107035912A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN107035912A (en) | 2017-08-11 |
| CN103075566A (en) | 2013-05-01 |
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